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I do realize this, thanks for reminding me of it, but how many of those millions of them find themselves hunting 1/2 mile out in Lk MI in mid winter with their nephew in the layout boat 200yrds away when Lk MI winds kick up, shift ~90* and start throwing 3-4' rollers at you that are starting to...
Thanks for sharing your ideas and experience, all good food for thought. achris's "I wonder if it would be possible to..." is basically my train of thought and the direction I'm continuing to study, something along the lines of a modified mini-bravo system w/o breaching the hull to install a...
Following up, again thank you all who shared info regarding my pump inquiry. Found this thread on another forum and it answers pretty much all hopes/thoughts/concerns about adding an EMP to my 4.3, including pulling cooling water up through the alpha system to cool the upper/gears. A good read...
I'm trying to understand your suggestion "you still need to maintain the impeller in the lower unit for exhaust cavity cooling." How is the LU pump doing this? It's my understanding that the lake water in contact with the LU and exhausted warmed cooling water is maintaining the exhaust cavity...
Appreciate the welcome and input. I hope to learn more about EMP's from those more about experienced than I. I do impeller/LU service every 3yrs as I've always done. The 2yr old OEM impeller lost all it's vanes. Boat ran flawlessly on Saginaw a few weeks ago, sat draining/drying out in my...
Hello Mercruiser owners with Engine Mounted raw water Pumps OR members here that have a real understanding of or have worked on or installed these systems. I'm looking for some real world experience/input please. I have a 73 Mako23 I/O with a carburated, electric fuel pump, raw water cooled...
